CN103709601A - Plate containing modified urea formaldehyde foam adhesive, as well as application and preparation method thereof - Google Patents
Plate containing modified urea formaldehyde foam adhesive, as well as application and preparation method thereof Download PDFInfo
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- CN103709601A CN103709601A CN201410009478.0A CN201410009478A CN103709601A CN 103709601 A CN103709601 A CN 103709601A CN 201410009478 A CN201410009478 A CN 201410009478A CN 103709601 A CN103709601 A CN 103709601A
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- modified urea
- formaldehyde
- sheet material
- foamed glue
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Abstract
The invention relates to the field of plates, and specifically relates to a plate containing a modified urea formaldehyde foam adhesive, as well as application and a preparation method thereof. The plate containing the modified urea formaldehyde foam adhesive is prepared from the following raw materials: the modified urea formaldehyde foam adhesive and a powdery inorganic material carrier, wherein the inorganic material carrier comprises any one of perlite, vermiculite, gypsum, wollastonite, kieselguhr and cinerite; the modified urea formaldehyde foam adhesive is prepared from the following raw materials in parts by weight: 500-700 parts of formaldehyde, 200-350 parts of urea, 10-20 parts of melamine and 2-4.5 parts of hexamine. Compared with the prior art, the plate containing the modified urea formaldehyde foam adhesive has the advantages that the content of formaldehyde in the foam adhesive is reduced and carcinogenic harm and environmental pollution are avoided.
Description
Technical field
The present invention relates to sheet material field, in particular to application of the sheet material that contains modified urea-formaldehyde foamed glue and sheet material and preparation method thereof.
Background technology
In Application Areass such as building, sheet material, core, insulations, sheet material is widely used, the urea-formaldehyde glue that sheet material is mainly applied and glass, rock type powder.
Urea-formaldehyde glue be urea and formaldehyde under catalyzer (basic catalyst or an acidic catalyst) effect, polycondensation becomes initial stage urea-formaldehyde resin, and then under solidifying agent or promoter effect, forms molten, insoluble resin adhesive in latter stage.Because more formaldehyde is contained in the inside of urea-formaldehyde glue, and formaldehyde is carcinogens, and off-odour is larger, and glass, rock type powder kind are few, have seriously restricted the application space of sheet material.
Summary of the invention
The object of the present invention is to provide the sheet material that contains modified urea-formaldehyde foamed glue and application of sheet material and preparation method thereof, to solve the above problems.
The embodiment of the present invention provides a kind of sheet material that contains modified urea-formaldehyde foamed glue, and its raw material comprises: modified urea-formaldehyde foamed glue and pulverous inorganic materials carrier;
Described inorganic materials carrier comprise following any: perlite, vermiculite, gypsum, wollastonite, diatomite, volcano lime-ash;
The raw material of described modified urea-formaldehyde foamed glue comprises: in parts by weight, and 500-700 part formaldehyde, 200-350 part urea, 10-20 part trimeric cyanamide, 2-4.5 part vulkacit H.
In certain embodiments, be preferably, the thermal conductivity of described sheet material is 0.03-0.048, and/or oxygen index is 33.6%.
In certain embodiments, be preferably, the unit weight of described sheet material is 20-200 kilograms per cubic meter; And/or intensity is 1-309 kPa, and/or product density is 40-80 kilograms per cubic meter; And/or ultimate compression strength is 123-350 kPa.
In certain embodiments, be preferably, the raw material of described modified urea-formaldehyde foamed glue also comprises: in parts by weight, and 3-5.5 part polyvinyl alcohol, 3-5.5 part tackify glue, described tackify glue comprises: gelatine and/or loose glue;
And/or,
The raw material of described modified urea-formaldehyde foamed glue also comprises: silicone based water-resisting agent and/or sodium lauryl sulphate.
In certain embodiments, be preferably, the preparation method of described modified urea-formaldehyde foamed glue comprises:
Take the raw material of described foamed glue, described raw material comprises: formaldehyde, urea, trimeric cyanamide, vulkacit H;
By urea, described trimeric cyanamide, described vulkacit H described in described formaldehyde, 60 quality % in 60-65 ℃ of reactor, mix, thermopositive reaction;
Until the temperature in described reactor, rise to after 80-85 ℃, to adding urea described in 30 quality % in described reactor;
Until the temperature in described reactor, rise to after 85-90 ℃, in described reactor, add sodium hydroxide, cooling;
Until the temperature in described reactor, be down to after 65-70 ℃, in described reactor, add 10 quality % urea;
After the temperature in described reactor is down to below 30 ℃, discharging.
In certain embodiments, be preferably, when described sheet material is during for the packing material of external wall insulation or outer-wall thermal insulation composite plate or glass curtain wall warming plate or hole brick or orifice plate, described sheet material contains fiber, uniform in sheet material described in described fiber.
The embodiment of the present invention also provides a kind of making method of the above-mentioned sheet material that contains modified urea-formaldehyde foamed glue, comprising:
Take modified urea-formaldehyde foamed glue and pulverous inorganic materials carrier, described inorganic materials carrier comprise following any: perlite, vermiculite, gypsum, wollastonite, diatomite, volcano lime-ash;
Described modified urea-formaldehyde foamed glue and described pulverous inorganic materials carrier are mixed to get to mixture;
Described mixture is inserted in mould;
Solidify;
Depanning.
In certain embodiments, be preferably, when described sheet material is used for the packing material of external wall insulation or outer-wall thermal insulation composite plate or glass curtain wall warming plate or hole brick or orifice plate, the raw material of described sheet material also comprises: fiber; ,
Describedly described modified urea-formaldehyde foamed glue and described pulverous inorganic materials carrier are mixed to get to mixture also comprise: fiber and described modified urea-formaldehyde foamed glue and described pulverous inorganic materials carrier are mixed together; In described mixture, also comprise: fiber.
The embodiment of the present invention also provides a kind of application of the above-mentioned sheet material that contains modified urea-formaldehyde foamed glue, for following any one or more: the packing material of external wall insulation, outer-wall thermal insulation composite plate, color steel core material plate, anti-fire door core board, glass curtain wall warming plate, hole brick or orifice plate.
The sheet material that contains modified urea-formaldehyde foamed glue that the embodiment of the present invention provides and application of sheet material and preparation method thereof, with in prior art, compare, in modified urea-formaldehyde foamed glue, contain formaldehyde, urea, vulkacit H, trimeric cyanamide, the equal facile hydrolysis of vulkacit H wherein, in hydrolytic process, initial hydrating solution is alkalescence, promotes formaldehyde and urea reaction tackify; Owing to being hydrolyzed to thermopositive reaction, rising along with temperature, the pH value of solution reduces, and gradually becomes acid, and trimeric cyanamide is 6 functionality, it is active that amino whole hydrogen atoms all show, each melamine molecule can react with 6 formaldehyde molecules, and trimeric cyanamide and formaldehyde can react under sour environment, decomposing formaldehyde, reduce the formaldehyde content in foamed glue, avoid causing carcinogenic harm and environmental pollution.
Modified urea-formaldehyde foamed glue is mixed with inorganic materials carrier, inorganic materials carrier perlite, vermiculite, gypsum, wollastonite, diatomite, volcano lime-ash, ingeniously applied multiple inorganic materials carrier, to adapt to varying strength, different applied environments, and also turn waste into wealth while adopting volcano lime-ash.Be widely used in following any one or more: the packing material of external wall insulation, outer-wall thermal insulation composite plate, color steel core material plate, anti-fire door core board, glass curtain wall warming plate, hole brick or orifice plate.
Embodiment
Below by specific embodiment, the present invention is described in further detail.
The embodiment of the present invention provides a kind of sheet material that contains modified urea-formaldehyde foamed glue, and its raw material comprises: modified urea-formaldehyde foamed glue and pulverous inorganic materials carrier;
Described inorganic materials carrier comprise following any: perlite, vermiculite, gypsum, wollastonite, diatomite, volcano lime-ash;
The raw material of described modified urea-formaldehyde foamed glue comprises: in parts by weight, and 500-700 part formaldehyde, 200-350 part urea, 10-20 part trimeric cyanamide, 2-4.5 part vulkacit H.
The embodiment of the present invention also provides the application of the above-mentioned sheet material that contains modified urea-formaldehyde foamed glue, for following any one or more: the packing material of external wall insulation, outer-wall thermal insulation composite plate, color steel core material plate, anti-fire door core board, glass curtain wall warming plate, hole brick or orifice plate.
The embodiment of the present invention also provides the making method of the sheet material that contains modified urea-formaldehyde foamed glue, comprising:
Take modified urea-formaldehyde foamed glue and pulverous inorganic materials carrier, described inorganic materials carrier comprise following any: perlite, vermiculite, gypsum, wollastonite, diatomite, volcano lime-ash;
Described modified urea-formaldehyde foamed glue and described pulverous inorganic materials carrier are mixed to get to mixture;
Described mixture is inserted in mould;
Solidify;
Depanning.
In modified urea-formaldehyde foamed glue, contain formaldehyde, urea, vulkacit H, trimeric cyanamide, wherein vulkacit H, trimeric cyanamide are all a kind of formaldehyde-trapping agents, the equal facile hydrolysis of vulkacit H wherein, in hydrolytic process, initial hydrating solution is alkalescence, promotes formaldehyde and urea reaction tackify; Owing to being hydrolyzed to thermopositive reaction, rising along with temperature, the pH value of solution reduces, and gradually becomes acid, and trimeric cyanamide is 6 functionality, it is active that amino whole hydrogen atoms all show, each melamine molecule can react with 6 formaldehyde molecules, and trimeric cyanamide and formaldehyde can react under sour environment, decomposing formaldehyde, reduce the formaldehyde content in foamed glue, avoid causing carcinogenic harm and environmental pollution.
Modified urea-formaldehyde foamed glue is mixed with inorganic materials carrier, inorganic materials carrier perlite, vermiculite, gypsum, wollastonite, diatomite, volcano lime-ash, ingeniously applied multiple inorganic materials carrier, to adapt to varying strength, different applied environments, and also turn waste into wealth while adopting volcano lime-ash.Be widely used in for following any one or more: the packing material of external wall insulation, outer-wall thermal insulation composite plate, color steel core material plate, anti-fire door core board, glass curtain wall warming plate, hole brick or orifice plate.
Next, the present invention will describe the sheet material that this contains modified urea-formaldehyde foamed glue in detail by some specific embodiments, and its preparation method and application:
A sheet material that contains modified urea-formaldehyde foamed glue, its raw material comprises: modified urea-formaldehyde foamed glue and pulverous inorganic materials carrier;
Described inorganic materials carrier comprise following any: perlite, vermiculite, gypsum, wollastonite, diatomite, volcano lime-ash; These inorganic materials wide material sources, cost is low, and possesses different characteristics, can be suitable for different needs;
The raw material of described modified urea-formaldehyde foamed glue comprises: in parts by weight, and 500-700 part formaldehyde, 200-350 part urea, 10-20 part trimeric cyanamide, 2-4.5 part vulkacit H.
Trimeric cyanamide, vulkacit H can with formaldehyde reaction, decompose unnecessary formaldehyde in modified urea-formaldehyde foamed glue, reduce the content of formaldehyde in sheet material, reduce carinogenicity, and avoid discharging irritating smell.
Because foamed glue itself possesses higher effect of heat insulation, combustion ratio is low, and the combustionproperty of inorganic materials carrier is also poor, so the thermal conductivity of sheet material is at 0.03-0.048, and oxygen index is 33.6%.
Because sheet material need to be applied in different environment, need to possess certain middle, intensity, product density etc., therefore, need to restriction sheet material be set by parameter, the unit weight of sheet material is 20-200 kilograms per cubic meter; And/or intensity is 1-309 kPa, and/or product density is 40-80 kilograms per cubic meter; And/or ultimate compression strength is 123-350 kPa.
Owing to having adopted modified urea-formaldehyde foamed glue in sheet material, it is a kind of product newly developed, therefore, need to be described in greater detail, this modified urea-formaldehyde foamed glue, except containing formaldehyde above-mentioned, urea, trimeric cyanamide, vulkacit H, in certain embodiments, also contain in parts by weight, 3-5.5 part polyvinyl alcohol, 3-5.5 part tackify glue, described tackify glue comprises: gelatine and/or loose glue; To increase quality guaranteed period, wear resistance, the weathering resistance of foamed glue, and then strengthen wear resistance, the weathering resistance of sheet material.
In certain embodiments, the raw material of this modified urea-formaldehyde foamed glue can also comprise: silicone based water-resisting agent, and improve the water-repellancy of modified urea-formaldehyde foamed glue, and improve the water-repellancy of sheet material, prevent curling, alice.
In certain embodiments, the raw material of this modified urea-formaldehyde foamed glue also comprises: sodium lauryl sulphate, sodium lauryl sulphate is a kind of promoting agent, can promote gas release.
Also have a kind of Special Circumstances, for fear of the sheet material of preparation, there is fracture, alice, the situation such as curling, when especially sheet material is used as the packing material of external wall insulation or outer-wall thermal insulation composite plate or glass curtain wall warming plate or hole brick or orifice plate, more easily there is above situation, in the sheet material of preparation, contain fiber, fiber is uniformly distributed in sheet material.
Below, introduce preparation of plates method:
Step 101, prepares modified urea-formaldehyde foamed glue;
Detailed process is:
Take the raw material of foamed glue, in some difference of kind of different embodiment Raws, specifically with reference to the raw material in the different embodiment in top;
By modified urea-formaldehyde foamed glue raw material, comprising the urea of 60 quality % in 60-65 ℃ of reactor, mix, thermopositive reaction;
Until the temperature in described reactor, rise to after 80-85 ℃, to adding urea described in 30 quality % in described reactor;
Until the temperature in described reactor, rise to after 85-90 ℃, in described reactor, add sodium hydroxide, cooling;
Until the temperature in described reactor, be down to after 65-70 ℃, in described reactor, add 10 quality % urea;
After the temperature in described reactor is down to below 30 ℃, discharging.
Step 102, takes modified urea-formaldehyde foamed glue and pulverous inorganic materials carrier, described inorganic materials carrier comprise following any: perlite, vermiculite, gypsum, wollastonite, diatomite, volcano lime-ash;
Step 103, is mixed to get mixture by described modified urea-formaldehyde foamed glue and described pulverous inorganic materials carrier;
It is emphasized that:
When described sheet material is used for the packing material of external wall insulation or outer-wall thermal insulation composite plate or glass curtain wall warming plate or hole brick or orifice plate, the raw material of described sheet material also comprises: fiber; ,
This step concrete operations mode is: fiber and described modified urea-formaldehyde foamed glue and described pulverous inorganic materials carrier are mixed together; In described mixture, also comprise: fiber.
Step 104, inserts described mixture in mould;
Step 105, solidifies;
Solidify and within 30 minutes, get final product the demoulding.
Step 106, depanning.
The sheet material of preparation of the present invention possesses following advantage:
1. because formaldehyde content is little, the Odor stimulation distributing is little, can be widely used;
2. possess waterproof effect, expanded environment for use;
3. the quality guaranteed period extends, and good weatherability, has also expanded environment for use and work-ing life;
4. intensity, elasticity, toughness all increase compared with currently available products;
5. difficult combustion.
6. Application Areas is wide, is used in the packing material of external wall insulation, outer-wall thermal insulation composite plate, color steel core material plate, anti-fire door core board, glass curtain wall warming plate, hole brick or orifice plate etc.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (9)
1. a sheet material that contains modified urea-formaldehyde foamed glue, is characterized in that, its raw material comprises: modified urea-formaldehyde foamed glue and pulverous inorganic materials carrier;
Described inorganic materials carrier comprise following any: perlite, vermiculite, gypsum, wollastonite, diatomite, volcano lime-ash;
The raw material of described modified urea-formaldehyde foamed glue comprises: in parts by weight, and 500-700 part formaldehyde, 200-350 part urea, 10-20 part trimeric cyanamide, 2-4.5 part vulkacit H.
2. the sheet material that contains modified urea-formaldehyde foamed glue according to claim 1, is characterized in that, the thermal conductivity of described sheet material is 0.03-0.048, and/or oxygen index is 33.6%.
3. the sheet material that contains modified urea-formaldehyde foamed glue according to claim 2, is characterized in that, the unit weight of described sheet material is 20-200 kilograms per cubic meter; And/or intensity is 1-309 kPa, and/or product density is 40-80 kilograms per cubic meter; And/or ultimate compression strength is 123-350 kPa.
4. the sheet material that contains modified urea-formaldehyde foamed glue according to claim 1, is characterized in that,
The raw material of described modified urea-formaldehyde foamed glue also comprises: in parts by weight, and 3-5.5 part polyvinyl alcohol, 3-5.5 part tackify glue, described tackify glue comprises: gelatine and/or loose glue;
And/or,
The raw material of described modified urea-formaldehyde foamed glue also comprises: silicone based water-resisting agent and/or sodium lauryl sulphate.
5. the sheet material that contains modified urea-formaldehyde foamed glue according to claim 4, is characterized in that,
The preparation method of described modified urea-formaldehyde foamed glue comprises:
Take the raw material of described foamed glue, described raw material comprises: formaldehyde, urea, trimeric cyanamide, vulkacit H;
By urea, described trimeric cyanamide, described vulkacit H described in described formaldehyde, 60 quality % in 60-65 ℃ of reactor, mix, thermopositive reaction;
Until the temperature in described reactor, rise to after 80-85 ℃, to adding urea described in 30 quality % in described reactor;
Until the temperature in described reactor, rise to after 85-90 ℃, in described reactor, add sodium hydroxide, cooling;
Until the temperature in described reactor, be down to after 65-70 ℃, in described reactor, add 10 quality % urea;
After the temperature in described reactor is down to below 30 ℃, discharging.
6. according to the application of the sheet material that contains modified urea-formaldehyde foamed glue described in claim 1-5 any one, it is characterized in that, when described sheet material is used for the packing material of external wall insulation or outer-wall thermal insulation composite plate or glass curtain wall warming plate or hole brick or orifice plate, described sheet material contains fiber, uniform in sheet material described in described fiber.
7. a making method for the sheet material that contains modified urea-formaldehyde foamed glue described in claim 1-5 any one, is characterized in that, comprising:
Take modified urea-formaldehyde foamed glue and pulverous inorganic materials carrier, described inorganic materials carrier comprise following any: perlite, vermiculite, gypsum, wollastonite, diatomite, volcano lime-ash;
Described modified urea-formaldehyde foamed glue and described pulverous inorganic materials carrier are mixed to get to mixture;
Described mixture is inserted in mould;
Solidify;
Depanning.
8. the making method of the sheet material that contains modified urea-formaldehyde foamed glue according to claim 7, it is characterized in that, when described sheet material is used for the packing material of external wall insulation or outer-wall thermal insulation composite plate or glass curtain wall warming plate or hole brick or orifice plate, the raw material of described sheet material also comprises: fiber; ,
Describedly described modified urea-formaldehyde foamed glue and described pulverous inorganic materials carrier are mixed to get to mixture also comprise: fiber and described modified urea-formaldehyde foamed glue and described pulverous inorganic materials carrier are mixed together; In described mixture, also comprise: fiber.
9. the application of the sheet material that contains modified urea-formaldehyde foamed glue described in a claim 1-5 any one, it is characterized in that, for following any one or more: the packing material of external wall insulation, outer-wall thermal insulation composite plate, color steel core material plate, anti-fire door core board, glass curtain wall warming plate, hole brick or orifice plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410009478.0A CN103709601B (en) | 2013-12-09 | 2014-01-08 | Sheet material containing modified urea-formaldehyde foamed glue and the application of sheet material and preparation method thereof |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013106674041 | 2013-12-09 | ||
| CN201310667404 | 2013-12-09 | ||
| CN201310667404.1 | 2013-12-09 | ||
| CN201410009478.0A CN103709601B (en) | 2013-12-09 | 2014-01-08 | Sheet material containing modified urea-formaldehyde foamed glue and the application of sheet material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN103709601A true CN103709601A (en) | 2014-04-09 |
| CN103709601B CN103709601B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410009478.0A Expired - Fee Related CN103709601B (en) | 2013-12-09 | 2014-01-08 | Sheet material containing modified urea-formaldehyde foamed glue and the application of sheet material and preparation method thereof |
| CN201410010966.3A Expired - Fee Related CN103725236B (en) | 2013-12-09 | 2014-01-08 | Foamed glue and preparation method thereof |
| CN201410008927.XA Pending CN103711212A (en) | 2013-12-09 | 2014-01-08 | Insulation board, application and manufacturing method of insulation board |
| CN201410010955.5A Expired - Fee Related CN103740052B (en) | 2013-12-09 | 2014-01-08 | Water sucting glue and preparation method thereof, application |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410010966.3A Expired - Fee Related CN103725236B (en) | 2013-12-09 | 2014-01-08 | Foamed glue and preparation method thereof |
| CN201410008927.XA Pending CN103711212A (en) | 2013-12-09 | 2014-01-08 | Insulation board, application and manufacturing method of insulation board |
| CN201410010955.5A Expired - Fee Related CN103740052B (en) | 2013-12-09 | 2014-01-08 | Water sucting glue and preparation method thereof, application |
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| CN104789172A (en) * | 2015-05-08 | 2015-07-22 | 南通天燕纺织器材有限公司 | Improved textile shuttle |
| CN105175668A (en) * | 2015-09-25 | 2015-12-23 | 南京师范大学 | Pin-shaped wollastonite/urea resin formula for glass wool thermal insulation material |
| CN105199065A (en) * | 2015-09-25 | 2015-12-30 | 寿光市东宇鸿翔木业有限公司 | Low-formaldehyde urea adhesive and method for preparing same |
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| CN105295776A (en) * | 2015-10-09 | 2016-02-03 | 太仓市世佳实业有限公司 | Bonding foaming adhesive and application thereof in insulation board system |
| CN106221630B (en) * | 2016-07-29 | 2019-06-25 | 神盾防火科技有限公司 | A kind of adhesive and its application for sand ground antiseepage |
| CN106677359A (en) * | 2016-11-21 | 2017-05-17 | 成都格瑞思文化传播有限公司 | Environment-friendly heat preservation board |
| CN108543108B (en) * | 2018-05-02 | 2020-12-25 | 青岛大学附属医院 | Common sterilization sponge for anesthesia department |
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Also Published As
| Publication number | Publication date |
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| CN103740052B (en) | 2015-11-18 |
| CN103725236B (en) | 2016-04-20 |
| CN103709601B (en) | 2016-04-20 |
| CN103740052A (en) | 2014-04-23 |
| CN103711212A (en) | 2014-04-09 |
| CN103725236A (en) | 2014-04-16 |
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